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PEN Problems
PEN H Problems
69
69
Part of
PEN H Problems
Problems
(1)
H 69
Source:
5/25/2007
Determine all positive rational numbers
r
≠
1
r \neq 1
r
=
1
such that
r
r
−
1
\sqrt[r-1]{r}
r
−
1
r
is rational.
number theory
relatively prime
Diophantine Equations